Toothbrush



FIG. 1 is the front perspective view from above and one side of the design

FIG. 2 is the rear elevational view of the design;

FIG. 3 is the elevational view of the other side;

FIG. 4 is a plan view of the design; and,

FIG. 5 is an underneath plan view of the design. 

The ornamental design for a toothbrush, as shown and described. 